[解法(해법)] 제어工學(공학) 6판(Feedback control of dynamic system 6th edition, Gene F. Franklin, J. David Powell, Abb > jjalbang8

[解法(해법)] 제어工學(공학) 6판(Feedback control of dynamic system 6th edition,…

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1.1. PROBLEMS AND SOLUTIONS 103
the process
(f) A public address system:
1. Draw a component block diagram for each of the following feedback control
(b) control of moisture
cury to slide over electrical contacts. A bimetallic strip consists of two
H e a d b o x D r y i n g
Notice that in a number of cases the same physical device may per-
listed in Problem 1 for
(c) Water level regulator:
of bimetallic strips simply cause electrical contacts to open or close di-
Solution:
102CHAPTER 1. AN OVERVIEW AND BRIEF HISTORY OF FEEDBACK CONTROL
(c) The water level controlled by a ‡oat and valve
History of Feedback Control
s e c t i o n
deviation from the desired value, determines whether the temperature
레포트 > 공학,기술계열
stat in your home or o¢ ce.
to the desired setting. Examples: Tubes …lled with liquid mercury

1장부터 10장까지로 구성되어 있습니다.
give the units associated with each signal.
the sensor
설명
P r e s s e s R e e l
(a) The manual steering system of an automobile
ture. Modern computer-based thermostats are programmable, sense the
so that temperature changes bend the metal. In some cases, the bending
101
(a) control of consistency
104CHAPTER 1. AN OVERVIEW AND BRIEF HISTORY OF FEEDBACK CONTROL

C o n t r o l l e r
M a c h i n e

rectly. In most cases today, temperature is sensed electronically using,for
1장의 연습문제 풀이를 발췌했습니다. 양해바랍니다. reprinted with permission.
desired value. It is equipped with a temperature sensor which detects
main parameters under feedback control: the density of …bers as controlled
dryers. Stock from the machine chest is diluted by white water returning
S c r e e n s
Solution:

c h e s t
[解法(해법)] 제어工學(공학) 6판(Feedback control of dynamic system 6th edition, Gene F. Franklin, J. David Powell, Abb
by the consistency of the thick stock that ‡ows from the headbox onto the
[솔루션] 제어공학 6판(Feedback control of dynamic system 6th edition, Gene F. Franklin, J. David Powell, Abbas Emami-Naeini) 솔루션 입니다.
example, a thermistor, a resistor whose resistance changes with tempera-
2. Identify the physical principles and describe the operation of the thermo-
M o i s t u r e
current from the thermistor and convert that to a digital signal.
순서

T h i c k

[解法(해법)] 제어工學(공학) 6판(Feedback control of dynamic system 6th edition, Gene F. Franklin, J. David Powell, Abbas Emami-Naeini) 解法(해법) 입니다..^^)
3. A machine for making paper is diagrammed in Fig. 1.12. There are two

C V
(a) A manual steering system for an automobile:
strips of metal bonded together, each of a di¤erent expansion coe¢ cient

form more than one of these functions.

the actuator output signal
wire, and the moisture content of the …nal product that comes out of the
c h e s t

Solution:
(d) Fly-ball governor:
setting is exceeded or not, and transmits the information to a furnace

다. 1장부터 10장까지로 구성되어 있습니다.

moisture sensor. Draw a signal graph and identify the seven components
m e t e r

An Overview and Brief
1.1 Problems and Solutions
systems.

the actuator
The reference signal
s t o c k
or air conditioner so that the termperature in the room is brought back

C o n s i s t e n c y
(e) Automatic steering of a ship:
(b) Drebbel’s incubator

(a) Control of paper machine consistency:
(b) Drebbel’s incubator:
In each case, indicate the location of the elements listed below and
Figure 1.1: A paper making machine From Karl Astrom, (1970, page 192)

from under the wire as controlled by a control valve (CV). A meter supplies
a n d c l e a n e r s
w a t e r
W h i t e
m e t e r
(d) Watt’s steam engine with ‡y-ball governor
Chapter 1
W i r e
S t o r a g e
the process output signal
Control, 공학, 제어, 자동, 솔루션
A thermostat is a device for maintaining a temperature constant at a
are attached to a bimetallic strip which tilt the tube and cause the mer-
R e f i n e r

Download : [솔루션] 제어공학 6판(Feedba.pdf( 50 )

a reading of the consistency. At the “dry end”of the machine, there is a
(그림은 게시판에 호환되지 않습니다.

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[解法(해법)] 제어工學(공학) 6판(Feedback control of dynamic system 6th edition, Gene F. Franklin, J. David Powell, Abb > jjalbang8

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